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. Author manuscript; available in PMC: 2012 Jul 25.
Published in final edited form as: J Toxicol Environ Health A. 2009;72(6):402–409. doi: 10.1080/15287390802647336

Table 1.

Urinary metals concentrations (μg L-1) in the NHANES 1999 to 2004, aged ≥60 years old.

Ba Be Cd Co Cs Mo Pb Pt Sb Tl U W
Sample size 1557 1615 593 1615 1615 1563 1615 1615 1574 1596 1105 1587
Geometric mean 1.11 0.09 0.39 0.31 4.21 38.87 0.84 0.04 0.10 0.13 0.009 0.06
Percentiles
5 0.21 0.08 0.08 0.08 1.2 9.0 0.20 0.03 0.05 0.04 0.003 0.02
25 0.59 0.08 0.21 0.19 2.8 22.7 0.50 0.03 0.05 0.08 0.004 0.03
50 1.10 0.09 0.41 0.31 4.5 40.4 0.86 0.03 0.10 0.14 0.007 0.06
75 2.20 0.09 0.70 0.49 6.7 70.7 1.50 0.05 0.14 0.22 0.014 0.10
95 5.90 0.09 1.61 1.07 11.1 151.5 3.30 0.05 0.29 0.38 0.051 0.28
Maximum 81.8 0.2 4.84 556.6 552.1 592.0 31.5 1177.5 5.7 2.8 0.6 4.6
LOD 0.12 0.13 0.06 0.07 0.14 0.80 0.10 0.04 0.04 0.02 0.004 0.04
% < LOD 1.6 64.4 2.4 4.0 4.3 0.1 0.8 62.0 1.5 3.9 12.4 35.5

Abbreviations: LOD = Limit of Detection